Factor Info

ID 173985
Size 162 digits / 538 bits
Status composite
Value 550172077029223520246987105126496843161432402720458657323958830350904110947004691948212731190548730448649892780810857546779364278578385784668009637890214086431791

Factorizations

Primary (ID: 173986) 1025751380659925913184912486632311700470126620992013 (proven prime)
(ID: 173987) 536360064829028662548590968284288773698207035862305964506001797047625030891926951453759708619556116959174052907 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.